Finding the Fourth Proportional to 7,474.93, 10,315.67 and 4,118
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Solution
The fourth proportional to 7,474.93, 10,315.67 and 4,118 is: 5,682.99
Step by Step Solution
- Step 1: Write the proportion equation
7,474.93 : 10,315.67 = 4,118 : x - Step 2: Convert to fraction form
7,474.93/10,315.67 = 4,118/x - Step 3: Cross multiply
7,474.93x = 10,315.67 × 4,118 - Step 4: Simplify right side
7,474.93x = 42,479,929.06 - Step 5: Solve for x
x = 42,479,929.06/7,474.93 - Step 6: Final answer
x = 5,682.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.